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Finding the Fourth Proportional to 47,322.60, 70,923.60 and 25,146.60

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Solution

The fourth proportional to 47,322.60, 70,923.60 and 25,146.60 is: 37,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,322.60 : 70,923.60 = 25,146.60 : x
  2. Step 2: Convert to fraction form
    47,322.60/70,923.60 = 25,146.60/x
  3. Step 3: Cross multiply
    47,322.60x = 70,923.60 × 25,146.60
  4. Step 4: Simplify right side
    47,322.60x = 1,783,487,399.76
  5. Step 5: Solve for x
    x = 1,783,487,399.76/47,322.60
  6. Step 6: Final answer
    x = 37,687.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.